Scope of supply: extruder unit consisting of



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#29397

Film Plant for ready delivery – 2 nos.


SCOPE of SUPPLY:


  1. 1. EXTRUDER UNIT consisting of:




  1. a) Screw & Barrel, 32:1 L/D Ratio, for extrusion of HDPE/LDPE/LLDPE. Screw & Barrel made from Nitralloy Steel. Screw ground, polished, nitride hardened and hard-chrome plated. Barrel ground, honed and nitride hardened. Special arrangement provided for fan cooling of barrel. (2 zones)

  2. b) Gear Box: Helical gear box with Hardened & Ground Gears with integral thrust bearing housing.




  1. c) AC Motor : 440V, 3 phase,

  2. d) Hopper, Stand, Heaters, Cooling fans, Belts, etc.




  1. e) Variable Frequency AC Drive for stepless control of motor speed. AC VFD has following features:




    1. 1. Remote keypad prevents mishandling of main drive.

    2. 2. Keypad with multi-function display for Output frequency, Output RPM, Motor Current, etc.




  1. 2. PYROMETRIC CONTROL PANEL




  1. a) Temperature Controllers - Individual Microprocessor based PID Temperature controllers

  2. b) Other components - Contactors, Switches, Amp. Meters for required number of zones. Where available, components will be of SCHNEIDER make.




  1. c) Cabinet - Powder coated cabinet with protection for dust proofing

  2. d) Wiring - Wiring between our supplied panels and Machine as per our standard foundation layout is included in the standard scope of supply.




  1. e) Zones – Refer to technical specifications for zones provided in main panel.

  2. f) Blowers controlled by 2-set point pyrometers.



3. DIE HEAD UNIT consisting of:
a) Spiral feed Die – highly polished and hard chrome plated, made from special
steel.

b) 2 nos. Punch and Die sets


c) Separate Die Sets for HDPE and LDPE

d) Adjustable High Speed Blower




4. AIR RING – Rotating Air Ring - suitable for LDPE and HDPE extrusion


  1. a) Separate Air Ring inserts for LDPE and HDPE


5. ROLLER FRAME TAKE OFF WITH AC DRIVE
a) Height approx. 5.5 m
b) One rubber roller + One steel roller for Nip action. Both rollers large diameterfor better wrap angle
c) Pneumatic Actuation for Pressure arrangement.

d) Drive to Nip Rollers through AC Motor & Gearbox with AC Drive Control.



6. WINDER - 2 Station Center Winder/ Surface Winder

TECHNICAL SPECIFICATIONS:


1.

Screw Size

65 mm

2.

Barrel Type

Grooved

3.

L/D Ratio

32:1

4.

Main Motor

40 HP – SIEMENS/ABB make

5.

S/B Mat/H.T.

En-41B, Gas Nitrided.

6.

Gearbox

Helical type with Integral Thrust Bearing. STD MAKE

7.

AC VF Drive

Delta/ABB/Schneider make

8.

Mat. Processed

LDPE/LLDPE/HMHDPE

9.

Gauge Range

10 - 150 Microns

10.

Rotating Die

Included

11.

Corona Treater




12.

Roller Frame Lifting

Motorized Lifting inclusive

13.

Winder Type

2 Station Center Winder/ Surface Winder

14.

Slitting

Side Slitting Provided

15.

Roller Width

1400 mm

16.

Film Width Max.

1200 mm

17.

Output (max) – LDPE 300

  1. 90 kg/hr @ 1200 mm width gauge

For lower widths and thickness, output will be lower






18.

Dies

2 Dies for HMHDPE

19.

Dimensions

2 Dies for LDPE

6 x 4 x 5




(L x W x H) -m

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